with polls show mitt romney with momentum republicans are certainly hoping that congressman paul ryan will keep it going while democrats are counting on vice president joe biden to reverse the flow and to stop the loss of support among voters. >>> reporter: congressman paul ryan arrived in kentucky ahead of his first nationally televised debate. the number 2 man on the gop ticket told reporters earlier in florida voters will see a clear choice when he faces off against vice president joe biden. >> this is my first time. what he can't run from is president obama's indefensible record. they are just offering more of the same. >> reporter: ryan will face an opponent who occasionally causes controversy with freewheeling statements but republicans also know vice president biden is a seasoned debater. >> nothing like standing up before 70 million people. >> reporter: usually vice- presidential debates don't greatly impact elections but after president obama's lackluster performance at his first debate with mitt romney, many believe democrats are desperate for vice president biden to make a